Content Blocker Detection

Go

package main

import (
	"fmt"
	"net"
)

func main() {
	// Check if a content blocker is installed.
	fmt.Println(detectContentBlocker())
}

// Check if content blocker is installed.
func detectContentBlocker() bool {
	contentBlockerDomains := []string{
		"google-analytics.com",
		"doubleclick.net",
		"ads.yahoo.com",
	}
	trueCounter := 0
	falseCounter := 0
	for _, domain := range contentBlockerDomains {
		_, err := net.LookupNS(domain)
		if err != nil {
			trueCounter = trueCounter + 1
		} else {
			falseCounter = falseCounter + 1
		}
	}
	return trueCounter < falseCounter
}